Lubrication for engine valves



M. A. YEAKLEY.

(1K/toman,

. z ...0. n w n nd Patented Alu-.'25, 1922.

- UNITED: STA-res AfEPA1"E-1 Jlf1f OF,FI@E#vv Y MELvIN A.AYEA;K LEY,'oFcAN'ToN,vr OHIO-.7 1

lTQcZZ 102mm t may concern pm Canton, .in thelcountyv offStark andyState 5 of Ohio, have invented'certain*new` and use'y iul. lmprovementsin Lubricationsfor Engine Valves,' otwhichthe following isaspeciication, reference beinghadV therein to the accompan'y'ingldrawing.

vThis inventionrrelatesto improvements in lubrication ot engine valves,fand isagdivision otfmy Vapplication tiled May'117th, 1915'7 ,aerial No.28,669: for improvements ininternal combustion: engines, and-`pertains'to The object of my present invention is to provide a simpleand eflicient oillng o'l" the springv heldoscillatingconical valve for.eX-

plosion engines. Y

Fig. 1 longitudinal sectional vieWfof an engine cylinder With myimprovement applied thereto.

Fig. 2 isa vperspective view of the im-Y proved valve with its operatingparts shown in disconnectedrelation.` Referring now to therdrawingsj,v aconicalv vvalves'eat 15 isvlocated Withinthe head of the cylinder1,'andrthis valve seat pro vided with inlet andexhaust openings, as

Y Y 30 -will be understood.' VVA A conical valvel 16 rests on'this seatand'it is provided with'- inlet'and exhaust openings-17 and 18', for

alternately registering vwith' the' exhaustKV Aopenings of thevalveseaty15.V Y. 35*v moves in a cam groove,not shown, by which l thevcrank-arm 21S and its socket 2O Vare my aforesaid application.;

l here show my valve 16 with aspiral Y Aflexible valve stem orconnection 24,but as thisV forms the subject 4 matter or a separateco-pending Vdivisional applicationof my 'aforesaid e application, itisunnecessary to further describe that herefexcept lto Vsay that a vspring25'surrounds the valve stein 24 and holds the valve tOfitsseat 155-1.30, 1era-' seriarifrdf'ses'se.

e present'improvement'pertains yt0 lluf e it'known that l, MnLviNvA';YnAKLnvgv Aa citizen oi theUnited States, residing atA finner'endsofthe'groovesbeingJ 'in 'comm-uni'- f the oilingf ot the conicaloscillating; valves.-

The cylinder housing is provided vvithVV an inwardly extending-housing197 which' Y is arranged concentric to the valve 17,6 and` carryingI atzits outer end' oscillated, all of Which'is fully described inl v Iclaim .and desire toysecure by lLettersPat-.-

' f vispecificationot Bretter-S.Patient siii" originar applicationlledlMay `17 191.5; Sera1,No.-A2Y8v,i6'69.. Divided landfliis"application filedDe-ceifnloerbricatingther-oscillating!valve 16.,and'fthis the valve with-radiating* oill groovesv a, Vthe cation withthe vinterior ot the housing 19.,- An oil-supplyfpassage l 26 hasitsinner' end' connecting` With the housing 1,9 forifs'u"- p lying' oilthereto, andithe inner end of tge hbusingi 1 9 hasa conical'bearingl 27'vvith the!A va'lve16. Oil is therefore Isupplied infany,` suitablemanner'-'intothej-housing 19s; andv the inner endet the ho'usingymaybexsaidftoA form `an oil siip'plypli'amberA28.V .The oiltv giassesjlromthis chamber 28 into the grooves v c of'ltlie valve, as itis oscillatedandthe oil` Ais supplied tothe Whole conical surface of `the'valve,bywhatjmaybe aptly termed' a Wipe pump'actionrvvhichwill spreadoil Q over the entire valve seating surface.v Oil may be supplied' tothe Lpassage26 in anythe ypurpose of retaining the foil Withintliesocket .to be suppliedito the in .the v manner just f described.

Frornjthe foregoing; description fit, vvill;V 'I

be observed thatithehousinglQ and'jsocket 2O constitutes anoil ,supplyychamber from rtvliichthefoil is supplied to the conical surl fare oftheoscillating valve 16.- a

Attention is directed-'1 to the' factpthat the'f'g oil grooves c of thevalvel 16inevercomei'ntol "f1 communication with theninletla'iid'exhaust ports, because the oscillationffof thegvalve is so 'limited asto prevent such action.-r'] `his ent is:

In Van internalfcombustioiienginef a conical valve and itsfseattheretorf'f'avingeach a gas passage therein, fanoil passage'` 1 110511'i seat andarranged` in such aV mannen that i't f;v

vis non-traversed bysaidgas passages when.

; the' valve is operated,v vv/herebyV the Gillis- 12.*

'extending radially between; said valve and '751 i desired manner, or itmaybe fed through an additional passage 29, -as-in Fig. 1. `The i v outeriend of the fcranklarm socket;y 2O ywill p v valve "surface 'l y 'in'thecylindersandsontheff 1 I Having thus inventiom-vvhat'.-

:zo llatingy the valve a limited distance to prevent 'the oil groovesfromV communicating Vwith the inlet 01"eXlia'nstV portso'f the valveseat.

'y flowing into the gas passage.

lightly `wipe-pumped entirely around nan-l over vthe valveseat andisprevented -rrom Zin an internal ls@nibustion"engine,i a

`Vconical valve and its seat therefor, havingk each'a'gaspassagetherein;A an oil ygroovei extendingY 'radially in the seating`surface ofj saidf'v'alfve and located-s0 that When the Vaconi'cal valveon said seat,` the seat and valve having inlet and exhaust 'portsythevalvehaving Vradially arranged oil grooves in its conical surface,V andmeans for oscil-` 4. n oscillating valve for internal combust'ionengines, comprising a' valve-seat member having' a conical lvalve seat,a coni-v cal 'valve member mounted for oscillation ports of such othermember.

on said c valve-seat member,J saidt'vvo meinbeis heingprovided with,ports-Which* are opened and closed by the oscillationof said `valveinember,-,and one of Vsaid members being provided with annoil passage ona portion which is between the ports of saidVV member and engagestheother member buty which is -'alviaysfout of registry with the 5; Anoscillating .valve for internal combustion enginesa comprising avalvessea(` member, a valve member mountedforoscil-l lation on saidvalve-Seat member,` said tvv'o"l members beingp'rovided with ports whichare opened and closed'by the' oscillation of said valve member'7 Iandone of said inem bersA being 'provided with anoil passage on a'portionuwhichfis between the ports of said member vand engagesvr Ytheotherv member but aoj which is always `out of"registry'fvvvithnwtheVports of such other member. i

. Intestimony when-lof` l'hereunto affix my signature.

v"Witnesses: y

Y yM. M; WANAMAKER,

B. CovRELL.

fMnLviN A. YEAKLE'Y.

